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Source View: screen_layout_columns

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Source View

Line Code
894            * This hook provides back-compat for plugins using the back-compat
895            * Filters instead of add_screen_option().
896            *
897            * @since 2.8.0
898            *
899            * @param array     $empty_columns Empty array.
900            * @param string    $screen_id     Screen ID.
901            * @param WP_Screen $this          Current WP_Screen instance.
902            */
903           $columns = apply_filters( 'screen_layout_columns', array(), $this->id, $this );
904
905           if ( ! empty( $columns ) && isset( $columns[ $this->id ] ) ) {
906                $this->add_option( 'layout_columns', array( 'max' => $columns[ $this->id ] ) );
907           }
908
909           if ( $this->get_option( 'layout_columns' ) ) {
910                $this->columns = (int) get_user_option( "screen_layout_$this->id" );
911
912                if ( ! $this->columns && $this->get_option( 'layout_columns', 'default' ) ) {